> I can not comment on "most vendors" but for the PROGRESS RDBMS RAID5 > is definitely not recommended. It will work but you will see a > significant reduction in performance. We strongly recommend that our > clients go with RAID10 (as in RAID 1+0). In-house we only use RAID10. +1 Write performance of RAID5 on hardware MegaRAID SATA 150-6D is *very* poor. -- Nikolay Ulyanitsky <lystor@xxxxxxxxxxxxx> _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos